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1577 Reiss (1949 BA)
Classification: Main-belt Asteroid          SPK-ID: 2001577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16679037754111 2.9515e-08  
a 2.22992418416403 4.8601e-09 au
q 1.85799428759926 6.5896e-08 au
i 4.35581283658755 3.0218e-06 deg
node 123.5445845480865 4.3713e-05 deg
peri 266.384660518541 4.4795e-05 deg
M 208.9230866838838 1.1726e-05 deg
tp 2459510.921753990567
(2021-Oct-23.42175399)
4.0639e-05 TDB
period 1216.280021899299
3.33
3.9763e-06
1.089e-08
d
yr
n .2959844719292824 9.6763e-10 deg/d
Q 2.601854080728801 5.6707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2852  
   data-arc span      32396 days (88.70 yr)  
   first obs. used      1931-10-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:33:14  

Additional Information
 Earth MOID = .86927 au 
 Jupiter MOID = 2.84058 au 
 T_jup = 3.621 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO473785  
diameter diameter 5.615 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.5050 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Melton, E.; Carver, S.; Harris, A.; Karnemaat, R.; et al. (2012) Minor Planet Bull. 39, 131-133.]
[Benishek, V. (2019) Minor Planet Bull. 46, 341-345.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.322   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1577 Reiss (1949 BA)          Discovered 1949-Jan-19 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1949 BA = 1931 TG3 = 1934 PX = 1981 RM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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